Examlex
_____ is metamorphism coupled with the introduction of ions (charged atoms) from an external source.
Ascending track
Nervous system pathways that carry sensory information from the body up to the brain.
Spinal cord
A long, thin, tubular bundle of nervous tissue and support cells that extends from the brain. It is a major part of the central nervous system which conducts sensory and motor nerve impulses to and from the brain.
Motor information
Neural signals that originate in the brain and are conveyed to the spinal cord and muscles, guiding voluntary movements.
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